{1 2 fwd 0 3 4 fwd 0 5 6 fwd 0 7 8 fwd 0 9 10 fwd 0 11 12} {11 12 fwd 0 13 14 fwd 0 15 16 fwd 0 17 18 fwd 0 19 20 fwd 0 21 22 fwd 0 21 22 fwd 0 23 24} {25 26 fwd 0 27 28 fwd 0 29 30 fwd 0 31 32} {31 32 fwd 0 33 34 fwd 0 35 36 fwd 0 37 38 fwd 0 39 40 fwd 0 41 42 fwd 0 41 42 fwd 0 43 44 fwd 0 45 46 fwd 0 47 48 fwd 0 49 50 fwd 0 51 52 fwd 0 51 52 fwd 0 53 54 fwd 0 55 56 fwd 0 57 58 fwd 0 59 60 fwd 0 61 62 fwd 0 61 62 fwd 0 63 64}